Refrigerating unit



Aug. 13, 1929. WL'TAUBER REFRIGERATING UNIT 2 Sheets-Sheet Filed Oct. 25, 1926 Aug. 13, 1929.

' w. TAUBER REFRIGERATING UNIT Filed oct; 25, 192e 2 Sheets-Sheet 2 VE 1:1 WZZ/ z'am Tauber EXQZMMS partment for soda coils,

y v ice cream cans.

Patented Aug. I3, 1929.4-

WILLIAM TAUBER, OF CHICAGO, ILLINOIS.

REFRIGERATING UNIT.

Application led October 25, 1926.v Serial No. 143,838.

This inventipn relates# to refrigerating units for such purposes as soda fountain use.

It is an object of this `invention-to pro-J4 vide an improved m'eans for chilling the com-l bottles and' individual items such as fruit pots. In accomplishing this object a brine circulating coil is connected t6 the brine tank provided for the ice cream can compartments and the soda and water coils are covered with water which is chilled by the low temperature produced by the brine circulation. The space above the soda coils is used as a bulk storage compartment insteadof being filled with crushed ice and salt as in iced soda fountains,

It is also an object of this invention to provide a variable ath for the brine circulation used for coo ing the compartment to provide for additional cooling capacity in hot weather without over chilling or freeze ing the compartment in cool weather. i7

Other and 4further important objects of this invention will be apparent from the disclosures in the specification and accompanying drawings.' y l The inventiontin a preferred form) is illustrated -in the drawings and hereinafter Imore fully describedv On the drawings f Figure 1 is a vertical section on the line 1'-1 of Figure 2 showing the device of this invention in elevation.' Figure 2 'ist a fragmentary plan view of a soda fountain vcompartment equipped with the brine circulating system` Figure 3 isl a side view of the brine coils with the walls of the compartment .broken awa Figure 4 is a sectional view of Vthe attachl 4) mentof the ends yof coils to the brine tank.

Figure 5 is a ysectional view of thestuiiingi box used where the coil enters' the. comparti# ment. 1

As shown on the drawings A brine tank 10 is indicatedv in which are mounted a number of receptacles 11 to hold In vthe usual soda fountain four,'six or eight receptacles or holes are used to' provide for a variety of flavors. The

brine tank 10 is carefully insulated within an outer casing 13-and a second casing 14. forming a continuation of the easing 13 contains a similarly insulated compartment 15 ,which contains water and soda water cool- `to flow up both risers 28 and 35 and thence ing coils 16 at'the bottom, the compartment preferably containing water 17 or some other good heat conductin medium of a depth sufficient to cover tile cooling coils. The vspace above the water may be used for bulk storage of bottled or vpackaged goods, the eXtreme top being commonly used as a chilling compartment for fresh fruit fiavors and sauces. In an ordinary ice cooled compartment only the extreme top andthe cooling coils at the bottom are utilized, the middle space being occupied by crushed ice and salt. The brine coil of this invention replaces the crushed ice with piping along the side of the compartment. The inlet pipe 2O to the coil is tapped into the side of the brinetank 10 at 21 and is secured thereto by a flange 22 bolted and soldered to the tank'. The inlet 20 extends throughthe partition between the tank 10 and compartment 15 and is sea ed to the-wall of the latter by means of a rubber washer 23, inclosed by a metal cup 24 toprevent undue spreading, and compressed by a jam nut 25. An elbow 26 turns the layout parallel to the wall of the compartment, ay v' pipe T 27 connecting by a riser 28 to a T 29,

velbow 30 and the return pipe 31 leading into the brine tank at the {lange-32, this pipe being mountedin a manner similar to the inlet pipe; The horizontal branchl of the lower T 27 connects to a valve 33 and thence through the elbows 34, the riser 35 and a horizontal pipe 36 back to the horizontal branch of the upper T 29. i

In the operation of this device 'when the maximuni amount of chilling effect is. de siredin the compartment 15 the valve 33; is open andthe brine from the tank 10 enters along the inlt pipe 20 and as it absorbs heat from the compartment the resulting rise in the brine temperature will cause the brine backto the brine tank along thereturn pipe .31. lIf this chillingeifect is too severe', partial or complete closure of the valve 33v reduceslor stops brine flow into the riser 3 and vreduces the cooling eifect of the coil as a whole, the stagnant brine beyond the valve, whenthe valve is closed, having little effect as a cooling agent. l f I am aware that many changes may'be made, and numerous details of the construction may be varied through a wide yrange without departing from the principles of this invention, and I therefore do not purpose limiting the patent granted hereon, otherwise than necessitated by the prior art.

I claim as my invention:

In a cooling chamber for soda fountains, fluid-conducting conduits at the bottom of the chamber, a heat-conducting liquid hav-- ingaa level immediately above said conduitsl so that the, greater portion of the chamberl is available for the storage of food materials, brine-circulating pipes in said chamber and above the liquid, said brine-circulating pipes having parallel compone/nts, and valve means for varying the e'ective cooling area of said components. y

Iny testimony whereof I have hereunto subscribed my name.

WILLIAM TAUBER. 

